fix branch name

Author: Jan2903

.github/workflows/generate-site.yml

@@ -40,4 +40,4 @@ jobs:
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
           git add docs/
           git commit -m "Update generated markdown files" || echo "No changes to commit"
-          git push origin main
+          git push origin master